Public domain photos

The image shows a black and white drawing of a piece of paper with a pattern on it, which appears to be a diagram of a collar. The pattern is composed of various shapes and lines, and there are numbers written on the paper.

The image shows a black and white drawing of a piece of paper with a pattern on it, which appears to be a diagram of a collar. The pattern is composed of various shapes and lines, and there are numbers written on the paper.Open in library